Targets and Ground Signals
These little signals were typically ground mounted, but also appeared on brackets on posts with semaphores and in other arrangements too. These are wire operated.
The square targets are the indicator for trap points and are rod operated. These signals can be made to work prototypically with a little care.
See also BS011 Ground signal bases and lamp
One each of L & R shunting and trap signals. Needs a BS011 per signal to complete.